Building-block.



'i reinforced ina stron and edective manner.

dec arethefollowin to'be a full, clear, and

'To all ibhom it 'may concer/n:

' ROY KEAGLE, oF'LoDi, CALIFORNIA,

BUILDING-BLOCK.

Specification o! Letters 'Patent Patented Sept. v145, 1908.

Application mea october 24, 19in, serial No. 398,866.

E it imo@ that I, ROY E. KEAGLM iti- I'zen the United States, residing at Lodi, the county of 'SanJ oaquin and State of Californiayhavefinvented certain new and useful In'i rove'ments in Building-Blocks and I do I exactdescription o the same, Asuch as will i :5" 1 enable others skilled in thefart to which it ap' laf; "t'o' the characters of reference marked thereon,

. pertains to make and use the same, reference eing had to the accompanying drawings, and

which f oim apart of this application.

Thisinvention relates to improvementsin l5' building construction and particularly to building Blocks made of cement, mortar etc.,

l 'my object being toproduce such a block as will besimple and inexpensive and also oneV in which a two course wall may be built, the

blocks in each 'course being inter-locked and This object I accomp ish by means of a block "proper'provided with pro]ectin tongues so constructed as to interlock; aso by such other and further constructionas will appear by aerusal--of the following specification and c aims.

proved block.

portion of-awallbuilt wit my improved l' ters of reference on the drawings 1 designates i Inthe drawings similar charactersiof lrefse'veral views.

Figure 1f is aIperspective view of the imig. 2, is a to plan view' of a erence indicate corresponding parts inl the locks.

Referring 'more particularly to the characthe vblock proper which is formed with hori- I l .zontal grooves 2 and3 in its top and bottom edges respectively adapted to receive reinforcing rods 4. Formed outward fromthe block 1 are tongues 5, the same having corrugated faces 6, those corrugations on one block eing adapted to interlock with the corrulgationsin another-in building a two course SaidV corrugations are vertical those onone block coinciding with ,Intermediate the grooves 7, those on wall as shown in Fig. 2.

-the other when interlocked, said grooves be- .'ceive mortar bonds when building a wall,

horizontally 'transverse alinement since those on one block are adapted to coincide with those on the blocks of the opposite side in the course above and below.

In buildin a wall the same vis reinforced means of the rod 4 andthe mortar bonds in the grooves'Q and 10 and by the interlocking corrugations 6. It is reinforced verticallyby the rods8 and interlocking corrugations 6. Also the interlocking of the blocks in'each course adds great strength and durability `to both courses. The blocks .are to be made by a pressure machine and are taken from the mold on their edge; this does away with all cores etc.A Another good point in. my device is the. vertical rod' reinforcement which is possible by the parallel manner of interlocking. Also this interlocking causes no inconvenience to the laying of the block, nor: does the reinforcing, as de scribed.

It will thus'be seen from the foregoing descri tion that I have produced such a device as ulfils all the objects of the invention as set forth herein.

While this s ecification' sets forth in detail the present an preferred construction of my device, still in practice such deviations from such detail may be resorted to as do not form a departure from the spirit-of the invention.

Having thus described my invention what I claim as new and useful and desire to se,- cure by Letters Patent is 1. In a device of the character described, a block, tongues outward therefrom, one face of said tongues being corrugated7 said tongues being formed with vertical grooves intermediate said corrugations, and .with horizontal grooves in their to s and bottoms, said last named grooves eing in substantial with said corrugations, as described.

2. A buildin block comprising a block proper provide with top and bottom longitudinal grooves, tongues outward from said block, said tongues being corrugated on one face and provided with vertical grooves interproper, tongues formed outward therefrom,

one face of said tongues being corrugated and forlned withvvertical grooves intermediate said corrugations, and-,With transverse grooves in substantial aline'ment with said corrugations, as set forth.l A

4; A building block comprising a. block,

` tongues outward therefrom, one face of said tongues beinglcorrugated, said tongues being provided Wit bottom and top grooves disposed in transverse a'linement with said oorsosse rugations., and binding member disposed in 10 said grooves, as set-i.orth.v

'In testlmony whereof I- ax my signature presence of twowitnesses. v

' ROY E. KEAGLE.

v Witnesses:

' J. M. BLODGETT, D. H. NEEDHAM. 

